| 释义 |
second-grade 英'sekəndɡr'eɪd美'sekəndɡr'eɪd COCA³⁵⁴⁶⁸BNC¹⁴⁴⁶⁶⁴⁺³iWeb⁴³¹³²
基本例句
adj.二流¹⁰⁰
The flood risk assessment grading systems composed of4 first-grade factors and14 second-grade factors are established based on Delphi method.
采用特尔菲法，选择4个一级因子和14个二级因子，建立洪灾风险评价等级指标体系。 dictall
The giant salamander is a second-grade animal under state protection. Research on the animal is of great biological significance to protecting rare animals and keeping an ecological balance.
大鲵是国家二级保护动物，对大鲵进行研究在保护珍稀动物和保持生态平衡方面具有重要的生物学意义。 cnki
Experiences show that the water quality after handling by the above two methods can reach the national second-grade standard of sewage comprehensive discharge.
工程实践表明：两者相结合的处理方法，处理后的水质能够达到国家污水综合排放二级标准。 chemyq
The fault block group is controlled by the second-grade fault, and the natural fault block controlled by the third grade fault.
其中，断块组受二级断层的控制，自然断块受三级断层的控制。 cnki
Why settle for a second-grade life?
为什么要安心于次等的生活？ edu.sina.com.cn |